This is the hub of London 2012's official Twitter plans, regularly tweeting excellent videos, pictures and opportunities to chat with athletes. As an added bonus, there are dedicated Twitter accounts for each individual olympic sport too.

Example Tweet: "Want to hang out with the fastest man in the world? Don’t miss our G+ Hangout with @UsainBolt at 7:15pm!"

Arguably the best way to keep up to date with this summer's cricket, Agnew is as reliable and eloquent on Twitter as he is on the radio. Follow for regular score updates as well as opinions and behind the scenes bits from the Test Match Special commentary box.

Example Tweet: "Goodness knows what Michael Vaughan is wearing today. From this distance looks like he is auditioning for HMS Pinafore..."